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THS4535

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High-precision, 80MHz CMOS fully differential amplifier

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Data sheet

THS4535

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Product details

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 BW at Acl (MHz) 60 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 57 Architecture Fully Differential, Fully Differential ADC Driver Vn at flatband (typ) (nV√Hz) 3.9 Iq per channel (typ) (mA) 4.7 Rail-to-rail In to V-, Out Vos (offset voltage at 25°C) (max) (mV) 2 Operating temperature range (°C) to Iout (typ) (mA) 60 2nd harmonic (dBc) 124 3rd harmonic (dBc) 115 Frequency of harmonic distortion measurement (MHz) 10 GBW (typ) (MHz) 80 Input bias current (max) (pA) 20 Features Shutdown CMRR (typ) (dB) 140 Rating Catalog
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 BW at Acl (MHz) 60 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 57 Architecture Fully Differential, Fully Differential ADC Driver Vn at flatband (typ) (nV√Hz) 3.9 Iq per channel (typ) (mA) 4.7 Rail-to-rail In to V-, Out Vos (offset voltage at 25°C) (max) (mV) 2 Operating temperature range (°C) to Iout (typ) (mA) 60 2nd harmonic (dBc) 124 3rd harmonic (dBc) 115 Frequency of harmonic distortion measurement (MHz) 10 GBW (typ) (MHz) 80 Input bias current (max) (pA) 20 Features Shutdown CMRR (typ) (dB) 140 Rating Catalog
VSSOP (DGK) 8 14.7 mm² 3 x 4.9
  • Bandwidth: 60MHz (G = 1V/V)
  • Gain bandwidth product: 80MHz
  • External gain options:
    • THS4535A offset voltage: 50µV (max)
    • THS4535A offset drift: 1µV/°C (max)
    • THS4535 offset voltage: 2mV (max)
    • THS4535 offset drift: 2µV/°C (max)
  • Internal gain options:
    • Available gains: 0.5, 1, 2, 5
    • CMRR: 129dB, 126dB, 123dB, 117dB
    • Gain error nonlinearity: 5, 4, 3, 1ppm
    • Gain error drift: 0.03, 0.03, 0.015, 0.005ppm/°C
  • Supply operating range: 2.7V to 5.5V
  • Low harmonic distortion:
    • HD2: 124dBc at 2VPP, 10kHz
    • HD3: 115dBc at 2VPP, 10kHz
  • Slew rate: 50V/µs
  • Low noise: 3.6nV/√Hz (10kHz)
    • 1/f voltage noise corner: 2.5kHz
  • Supply current: 4.7mA
  • Negative rail input (NRI)
  • Rail-to-rail output (RRO)
  • Temperature range: −40°C to +125°C
  • Bandwidth: 60MHz (G = 1V/V)
  • Gain bandwidth product: 80MHz
  • External gain options:
    • THS4535A offset voltage: 50µV (max)
    • THS4535A offset drift: 1µV/°C (max)
    • THS4535 offset voltage: 2mV (max)
    • THS4535 offset drift: 2µV/°C (max)
  • Internal gain options:
    • Available gains: 0.5, 1, 2, 5
    • CMRR: 129dB, 126dB, 123dB, 117dB
    • Gain error nonlinearity: 5, 4, 3, 1ppm
    • Gain error drift: 0.03, 0.03, 0.015, 0.005ppm/°C
  • Supply operating range: 2.7V to 5.5V
  • Low harmonic distortion:
    • HD2: 124dBc at 2VPP, 10kHz
    • HD3: 115dBc at 2VPP, 10kHz
  • Slew rate: 50V/µs
  • Low noise: 3.6nV/√Hz (10kHz)
    • 1/f voltage noise corner: 2.5kHz
  • Supply current: 4.7mA
  • Negative rail input (NRI)
  • Rail-to-rail output (RRO)
  • Temperature range: −40°C to +125°C

The THS4535 is a 60MHz fully differential amplifier (FDA) that is specifically designed to drive fully differential analog-to-digital converters (ADCs) up to 2MSPS. The THS4535 family offers multiple options: THS4535 (untrimmed external gain), THS4535A (trimmed external gain), and THS4535Axx (trimmed internal gain).

The THS4535 is an excellent choice for simple single-to-dual conversions. FDAs such as the THS4535 offer performance benefits over traditional dual op amps, including bandwidth and phase balance between outputs and a VOCM pin to easily adjust the output common-mode voltage. For higher dc precision applications, such as high-speed low-side current shunt measurements, the THS4535A provides package level trim for offset and offset drift. THS4535A also provides higher transient current output drive to meet the needs of successive approximation register (SAR) ADC charge injection and delta-sigma (ΔΣ) ADC precharge buffers.

The THS4535Axx, with integrated SiCr resistors, is designed for data acquisition systems (DAQ) that require complete system-level precision. The THS4535Axx integrated resistors are specifically designed to minimize system level gain-error and CMRR over temperature and time. These temperature-stability and long-term-stability performance parameters, along with low signal-to-noise ratio (SNR) and low total harmonic distortion (THD), make the THS4535Axx an excellent choice for DAQ systems.

The THS4535 is a 60MHz fully differential amplifier (FDA) that is specifically designed to drive fully differential analog-to-digital converters (ADCs) up to 2MSPS. The THS4535 family offers multiple options: THS4535 (untrimmed external gain), THS4535A (trimmed external gain), and THS4535Axx (trimmed internal gain).

The THS4535 is an excellent choice for simple single-to-dual conversions. FDAs such as the THS4535 offer performance benefits over traditional dual op amps, including bandwidth and phase balance between outputs and a VOCM pin to easily adjust the output common-mode voltage. For higher dc precision applications, such as high-speed low-side current shunt measurements, the THS4535A provides package level trim for offset and offset drift. THS4535A also provides higher transient current output drive to meet the needs of successive approximation register (SAR) ADC charge injection and delta-sigma (ΔΣ) ADC precharge buffers.

The THS4535Axx, with integrated SiCr resistors, is designed for data acquisition systems (DAQ) that require complete system-level precision. The THS4535Axx integrated resistors are specifically designed to minimize system level gain-error and CMRR over temperature and time. These temperature-stability and long-term-stability performance parameters, along with low signal-to-noise ratio (SNR) and low total harmonic distortion (THD), make the THS4535Axx an excellent choice for DAQ systems.
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* Data sheet THS4535 High-Precision, 60MHz, Fully Differential Amplifier datasheet PDF | HTML 16 Jun 2025
Certificate THS4535RUNEVM EU Declaration of Conformity (DoC) 15 Jan 2025
Circuit design Single-ended input to differential output circuit using a fully-differential amp (Rev. A) PDF | HTML 25 Sep 2024
Product overview Pairing ADC Drivers With Fully-Differential Input ADCs for Wide Bandwidth Data Acquisition 01 Apr 2024
Technical article Why precision matters with fully differential amplifiers PDF | HTML 10 Feb 2021
Application brief Setting a Constant Common-Mode Voltage for Fully-Differential SAR ADC Inputs 06 Sep 2019
Application brief Maximizing System Total Harmonic Distortion Using High Speed Amplifiers 20 Jun 2018
Technical article Go differential to differentiate your precision design PDF | HTML 11 Aug 2016
Application note Noise Analysis for High Speed Op Amps (Rev. A) 17 Jan 2005

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DEM-FDA-DGK-EVM — Unpopulated evaluation module for fully differential amplifiers in the DGK (HVSSOP) package

The DEM-FDA-DGK-EVM is an unpopulated evaluation module (EVM) for fully differential amplifiers (FDA) in the DGK (HVSSOP) package. This EVM is designed in accordance with high-speed performance specifications and Texas Instruments FDAs with output common mode (Vocm) control and power down (PD) (...)
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